-ing dddd didi dido digg digi digo diii diiv din- ding dini dinn dino dion dior dird dirr divd divi divo dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doin dond dong doni donn dono donr dood doon door dord dori dorn doro dorr dovi drin drno drod drog dron drvn dvdr dvi- dvii dvin dvir dvno dvor gdor gdov gggg ggrn gidd gidi gido gigg gigi gign gigo ging gini ginn gino giog gioi gion gird girg giri girn giro girr gnin gnod gnoo gnrr godi godo gogi gogo goin gon- gond gong goni gonn gono good goog gooi goon goor gord gorg gori gorn goro gorr govi grid grig grin grni grod grog groi gron groo gror grov grrr gvvv i-go i-no iddo idgo idid idig idin idio idir idno idog idon idro idvd igni igno igon igoo igor igri iiii iiio iino iioi iioo ind- indi indo ingo inid inig inni inno innr ino- inoi inon inor inri inro iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iorg iori irdo iri- irid irig irin irio irod iron irov irri ivdr ivig ivin ivod ivon ivor n-ii nddo ndor ndri ngio ngon ngor ngri nidd nidi nido nigg nigo niir nind ning nini nino niog nion nioo niro nirv nivo nivr nngn nnnn nodi nodo nogg nogo noid noin noio noir non- nong noni nonn nono noo- noon nooo noor noov nor- nord norg nori norn noro norr norv nov- novi novo nron nrrd nvir oddd oddi odin odio odir odon odoo odor oggi ogin ogni ogod ogog ogoi ogon ogri ogro oido oigo oiii oion ondi ondo ongi ongo onir onni onno onod onon onor oodi ooid oooo oord ordn ordo orgn orgo ori- orid orig orin orio orni orno oro- oron oror orri orro orvr ovi- ovid ovni ovo- ovod ovon ovoo rdio ridd ridi rido rigg rigi rigo riin rind ring rinn rino rion riri rivo rnin rnod rodd rodi rodo rogg rogi rogo roid roig roin roio roir rond rong roni rono rood roog rooi roon roor rori roro rovi rovo rrrr vdio vidi vido vigo vigr viii vind ving vini vino vion virg viri viro virr vivi vivo vnir vodo void voin voio voir vond voni vonn voog voor vor- vord vori voro vrdi vrin vrio vrnn vron vvog vvvv